btparser/cparser/tests/exp_lex/InspectorWithMP4DateTime.bt

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17: 
18: RequiresVersion ( 4 . 0 ) ; 
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22: 
23: local int64 position ; 
24: if ( GetSelSize ( ) > 0 ) 
25: position = GetSelStart ( ) ; 
26: else 
27: position = GetCursorPos ( ) ; 
28: 
29: 
30: int leap ( int year ) 
31: { 
32: return year % 4 == 0 && ( year % 100 != 0 || year % 400 == 0 ) ; 
33: } 
34: 
35: int daysInYear ( int year ) { return 365 + leap ( year ) ; } 
36: 
37: 
38: typedef uint MP4_Time < read = MP4_TimeRead , write = MP4_TimeWrite > ; 
39: 
40: string MP4_TimeRead ( MP4_Time secs ) 
41: { 
42: 
43: 
44: int days = secs / 86400 ; 
45: secs = secs % 86400 ; 
46: 
47: int year = 1904 ; 
48: int month = 1 ; 
49: 
50: int daysInMonth [ 13 ] = { - 1 , 31 , 28 , 31 , 30 , 31 , 30 , 31 , 31 , 30 , 31 , 30 , 31 } ; 
51: int extraDay [ 13 ] = { - 1 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 } ; 
52: 
53: while ( days > daysInYear ( year ) ) 
54: { 
55: days -= daysInYear ( year ) ; 
56: year ++ ; 
57: } 
58: 
59: while ( days > daysInMonth [ month ] + leap ( year ) * extraDay [ month ] ) 
60: { 
61: days -= daysInMonth [ month ] + leap ( year ) * extraDay [ month ] ; 
62: month ++ ; 
63: } 
64: 
65: int day = ++ days ; 
66: 
67: int hours = secs / 3600 ; 
68: secs = secs % 3600 ; 
69: int mins = secs / 60 ; 
70: secs = secs % 60 ; 
71: 
72: string s ; 
73: SPrintf ( s , "%02d.%02d.%4d %02d:%02d:%02d" , day , month , year , hours , mins , secs ) ; 
74: return s ; 
75: } 
76: 
77: void MP4_TimeWrite ( MP4_Time & secs , string dateTime ) 
78: { 
79: int daysInMonth [ 13 ] = { - 1 , 31 , 28 , 31 , 30 , 31 , 30 , 31 , 31 , 30 , 31 , 30 , 31 } ; 
80: int extraDay [ 13 ] = { - 1 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 } ; 
81: 
82: int day , month , year , hour , min , sec ; 
83: SScanf ( dateTime , "%d.%d.%d %d:%d:%d" , day , month , year , hour , min , sec ) ; 
84: 
85: int days = day - 1 ; 
86: int months , hours , mins , y , m ; 
87: 
88: for ( y = 1904 ; y < year ; ++ y ) 
89: days += daysInYear ( y ) ; 
90: 
91: for ( m = 1 ; m < month ; ++ m ) 
92: days += daysInMonth [ m ] + leap ( year ) * extraDay [ m ] ; 
93: 
94: secs = days * 86400 + hour * 3600 + min * 60 + sec ; 
95: } 
96: 
97: 
98: FSeek ( position ) ; MP4_Time _mp4t < name = "MP4 time" > ; 
99: FSeek ( position ) ; byte _si8 < name = "Signed Byte" > ; 
100: FSeek ( position ) ; ubyte _ui8 < name = "Unsigned Byte" > ; 
101: FSeek ( position ) ; short _si16 < name = "Signed Short" > ; 
102: FSeek ( position ) ; ushort _ui16 < name = "Unsigned Short" > ; 
103: FSeek ( position ) ; int _si32 < name = "Signed Int" > ; 
104: FSeek ( position ) ; uint _ui32 < name = "Unsigned Int" > ; 
105: FSeek ( position ) ; int64 _si64 < name = "Signed Int64" > ; 
106: FSeek ( position ) ; uint64 _ui64 < name = "Unsigned Int64" > ; 
107: FSeek ( position ) ; float _f < name = "Float" > ; 
108: FSeek ( position ) ; double _d < name = "Double" > ; 
109: FSeek ( position ) ; hfloat _hf < name = "Half Float" > ; 
110: FSeek ( position ) ; char _s [ ReadStringLength ( position , 256 ) ] < name = "String" > ; 
111: FSeek ( position ) ; wchar_t _ws [ ReadWStringLength ( position , 256 ) ] < name = "Unicode" > ; 
112: FSeek ( position ) ; DOSDATE _dd < name = "DOS Date" > ; 
113: FSeek ( position ) ; DOSTIME _dt < name = "DOS Time" > ; 
114: FSeek ( position ) ; FILETIME _ft < name = "FILETIME" > ; 
115: FSeek ( position ) ; OLETIME _ot < name = "OLETIME" > ; 
116: FSeek ( position ) ; time_t _tt < name = "time_t" > ; 
117: tok_eof